MESON Chess Problem Database

Problem Display
PID: 276783 (3B4/rpN4B/bKN3r1/Rn1p1k2/1R3Pn1/p1pp2P1/4P3/5Q2 w - - 0 1)

Ianovcic, Anatole Felix

Stella Polaris, 1971

3B4/rpN4B/bKN3r1/Rn1p1k2/1R3Pn1/p1pp2P1/4P3/5Q2

#2

11 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Se5
      • 2.fxe5#
  • Keys
    • 1.Qf3!
      • threat
        • 2.Qxd3#
      • 1...Sxc7
        • 2.Qe4#
      • 1...dxe2
        • 2.Qd3#
      • 1...Sf2
        • 2.Qh5#
      • 1...Sh2
        • 2.Qh5#
      • 1...Se3
        • 2.Qh5#
      • 1...Se5
        • 2.Qh5#
        • 2.fxe5#
      • 1...Sf6
        • 2.Se7#
      • 1...Sh6
        • 2.Qh5#
      • 1...Sd4
        • 2.e4#
      • 1...Sd6
        • 2.Sd4#
      • 1...d2
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 1
  • Sets
    • S(d);OGATE::QAR(A)+P(E),XS(d)
  • Actual
    • Q(A);
    • Threat
      • QAB(A),XP(c)
    • Vars
      • S(e);P_SPINP(f),XS(I)::QAB1(A)
      • P(c);XP(B)::QAB(A)
      • S(d);OGATE::QAR2(A)
      • S(d);N_PINS(H),SBLOCK::S(H)
      • S(e);P_SPINP(f)::P(B)
      • S(e);N_PINS(H),P_SPINP(f)::S(H)
      • P(c);::QAB(A)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).